GS 300 L6-3.0L (2JZ-GE) (1993)
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Throttle Body: Description and Operation
PURPOSE
The Throttle body, located at the opening of the Intake Manifold, controls intake air by varying throttle plate opening. Also houses the Idle Air
Control Valve and Throttle Position Sensor(s).
OPERATION
When the driver operates the accelerator pedal, the throttle valve is opened via the throttle cable. Idle speed is not adjustable and is controlled by
the Idle Air Control Valve.
